| CHAPTER | | PAGE |
| I. | Introduction | 1 |
| II. | First Principles of Designing | 12 |
| III. | True Economy in Design | 30 |
| IV. | Æsthetics in Design | 39 |
| V. | Cantilever Bridges | 55 |
| VI. | Arches | 79 |
| VII. | Trestles and Viaducts | 86 |
| VIII. | Elevated Railroads | 91 |
| IX. | Movable Bridges in General | 103 |
| X. | Revolving Drawbridges | 119 |
| XI. | Highway Bridges | 130 |
| XII. | Combined Bridges | 133 |
| XIII. | Detailing | 138 |
| XIV. | General Specifications Governing the Designing of Steel Railroad Bridges and Viaducts and the Superstructure of Elevated Railroads | 141 |
| XV. | Specifications for Railroad Draw-Spans | 182 |
| XVI. | General Specifications governing the Designing of Steel Highway Bridges and Viaducts | 213 |
| XVII. | Specifications for Highway Draw-Spans | 237 |
| XVIII. | General Specifications Governing the Manufacture, Shipment, and Erection of Steel Bridges, Trestles, Viaducts, and Elevated Railroads | 243 |
| XIX. | The Compromise Standard System of Live Loads for Railway Bridges and the Equivalents for Same | 265 |
| XX. | Timber Trestles | 273 |
| XXI. | Inspection of Materials and workmanship | 281 |
| XXII. | Designing of Piers | 301 |
| XXIII. | Triangulation | 317 |
| XXIV. | Office Practice | 328 |
| TABLES | | X - XI |
| [PLATES] | | XII |
| INDEX | | 373 |